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Finding the Fourth Proportional to 12,169.08, 18,253.56 and 2,935.08

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Solution

The fourth proportional to 12,169.08, 18,253.56 and 2,935.08 is: 4,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.08 : 18,253.56 = 2,935.08 : x
  2. Step 2: Convert to fraction form
    12,169.08/18,253.56 = 2,935.08/x
  3. Step 3: Cross multiply
    12,169.08x = 18,253.56 × 2,935.08
  4. Step 4: Simplify right side
    12,169.08x = 53,575,658.88
  5. Step 5: Solve for x
    x = 53,575,658.88/12,169.08
  6. Step 6: Final answer
    x = 4,402.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.